ta

ta · interjection¹

1. Proto-Germanic · derived from*þankō
2. Old Norse · derived fromþǫkk
3. Danish · borrowed fromtak
4. English todayta

Uncertain, but possibly young child's pronunciation of thanks. Alternatively, derived from Danish tak, from Old Norse þǫkk, from Proto-Germanic *þankō, *þankaz.

ta · noun²

Altered from si in the 19th century to prevent having two notes of the musical scale starting with the same letter, to become ti. vowel changed to 'a' to signify a flattened note.